*,
*::before,
*::after{
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
body {
    font-family:  "Microsoft YaHei" ,sans-serif;
}
ul,li {
    list-style: none;
}
input,textarea {
    resize: none;
    border: none;
    outline: none;
}
a {
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}
[class^="icon_"],[class*=" icon_"] {
    background-image: url("../images/sprites.png");
    -webkit-background-size: 200px 200px;
    background-size: 200px 200px;
}
.clearfix::before,
.clearfix::after {
    content: "";
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
}
.clearfix {
    *zoom: 1;
}